Seven feet.
21 feet is 6.4 metres.
1 square foot is 0.111 square yards. The floor area is 9feet x 21feet = 189 square feet. Therefore, the total square yards is: 189 square feet x 0.111 square yards/foot squared = 21 square yards Therefore, there is 21 square yards of floor.
214.61 square meters.
21 ft * 8 ft 4 in = 6.40 m* 2.54 m = 16.26 metres2
Since 1 ft = 12 in; then 21 feet = 252 in.
168 square feet.
21feet 6 inches long.....7feet wide
how many yards are in a acre ?the answer is easy it is 4840 yards .
Y yards = Y yards
how many yards are in 73 inches
300 yards if the dimensions are also yards
80 yards=80 yards